tater2004 tater2004

13-11-2019
Mathematics

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a 12 ft ladder leaning against a wall at a right angle. how far does the ladder reach at a right angle?

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sassypants23400 sassypants23400

13-11-2019

C=12
B=2.5
A squared + 2.5 squared= 12 squared
A squared + 6.25squared =144
A squared = 137.75
A= +- square root 137.75
A=+- 11.74 ft

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